It what can be read as good news for President Obama in Ohio, A new Quinnipiac poll in Ohio reports that incumbent Democratic Sen. Sherrod Brown has a commanding lead over two potential GOP challengers. Brown leads State Treasurer Josh Mandel, 49% to 34%, and tops State Sen. Kevin Coughlin, 50% to 32%.Combined with the exceptionally low approval rating of the state's Republican Governor, these numbers suggests that the closely divided state is trending slightly more Democratic in recent days